Doctor profile · Federal record

Dr. Rachel Krellenstein

Mental Health Counselor (CMS: Clinical Social Worker) · Clinical Social Worker · San Mateo, CA

  • NPI 1245465236
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1108 S El Camino Real
San Mateo, CA 944022804
(650) 458-0026
fax (650) 458-0027

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
December 22, 2014
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
101YM0800X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245465236. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
446
Distinct HCPCS
1
Medicare allowed
$54,915
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 446 12 $123

In context: peer comparison

Among 1 peers in San Mateo Mental Health Counselor, average services per provider: 446. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rachel Krellenstein's medical specialty?
Dr. Rachel Krellenstein practices Mental Health Counselor in San Mateo, CA.
Where does Dr. Rachel Krellenstein practice?
Dr. Rachel Krellenstein practices at 1108 S El Camino Real, San Mateo, CA 944022804. Office phone: 6504580026.
What is Dr. Rachel Krellenstein's NPI?
Dr. Rachel Krellenstein's National Provider Identifier (NPI) is 1245465236, issued by NPPES.
Does Dr. Rachel Krellenstein accept Medicare assignment?
Yes. Dr. Rachel Krellenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachel Krellenstein commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.